<?php
include "./connect.php";
// 设置编码格式

$username = $_POST['username'];
$password = $_POST['password'];
mysqli_query($con,"set names utf8");
$res = mysqli_query($con,"select * from user where username='$username'");
$row = mysqli_fetch_assoc($res);
if($row){
    $arr = [
        "meta"=>[
            "status"=>2,
            "msg"=>"用户名被占用"
        ],
        "data"=>null
    ];
}else{
    $res=mysqli_query($con,"insert user(username,password) values('$username','$password')");
    if($res){
        $arr=[
            "meta"=>[
                "status"=>0,
                "msg"=>"注册成功"
            ],
            "data"=>null
        ];
    }else{
        $arr=[
            "meta"=>[
                "status"=>1,
                "msg"=>"注册失败"
            ],
            "data"=>null
        ];
    }
}

echo json_encode($arr);
mysqli_close($con);